Fireplace unit



FIG. 1 is a perspective view of a fireplace unit showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view of a second embodiment of a fireplace unit;

FIG. 7 is a right side elevational view, the left side being a mirror image thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof. 

The ornamental design for a fireplace unit, as shown and described. 